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ZFIN ID: ZDB-PUB-190422-11
Genetic regulation of sex determination and maintenance in zebrafish (Danio rerio)
Kossack, M.E., Draper, B.W.
Date: 2019
Source: Current topics in developmental biology   134: 119-149 (Chapter)
Registered Authors: Draper, Bruce, Kossack, Michelle E.
Keywords: Androgen receptor, Anti-Müllerian hormone, Aromatase, Bmp15, Chromosomal sex determination, Cyp19a1a, Dmrt1, Environmental sex determination, Foxl2a, Foxl2b, Germ cell, Gsdf, Nr0b1, Oocytes, Sex determination, Sex differentiation, Sex maintenance, Somatic gonad, Wnt4a, Zebrafish
MeSH Terms:
  • Animals
  • Gene Expression Regulation, Developmental
  • Sex Determination Processes/genetics*
  • Sex Differentiation/genetics*
  • Zebrafish/genetics*
  • Zebrafish Proteins/genetics*
PubMed: 30999973 Full text @ Curr. Top. Dev. Biol.
ABSTRACT
Over the last several decades zebrafish (Danio rerio) has become a major model organism for the study of vertebrate development and physiology. Given this, it may be surprising how little is known about the mechanism that zebrafish use to determine sex. While zebrafish are a gonochoristic species (having two sexes) that do not switch sex as adults, it was appreciated early on that sex ratios obtained from breeding lab domesticated lines were not typically a 1:1 ratio of male and female, suggesting that sex was not determined by a strict chromosomal mechanism. Here we will review the recent progress toward defining the genetic mechanism for sex determination in both wild and domesticated zebrafish.
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